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Investing Specialists

Morningstar Runs the Numbers

We take a numerical look through this week's Morningstar research. Plus, our most popular articles and videos for the week ended Jan. 4.

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Inspired by Harper's Index (with a tip of the hat to FiveThirtyEight's Significant Digits blog), Morningstar Runs the Numbers uses a numbers-based approach to highlight recent Morningstar research, along with some outside news stories.

The market took a wild ride this week. Stocks plunged on Thursday after  Apple’s (AAPL) profit warning and a weak manufacturing survey raised global growth fears. Then an upbeat jobs report and soothing words from Fed Chair Jerome Powell sent stocks surging on Friday. It can be hard to keep your bearings when the market is this volatile, but Christine Benz shared three strategies to help drown out the noise including only looking at your portfolio during scheduled checkups. does not own (actual or beneficial) shares in any of the securities mentioned above. Find out about Morningstar’s editorial policies.